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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
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/*
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 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
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 * GPL Classpath Exception:
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 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * If you wish your version of this file to be governed by only the CDDL or
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 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
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 * permission notice:
 *
 * Copyright 2005-2007 The Apache Software Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
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package com.sun.faces.facelets.el;

import javax.el.*;
import javax.faces.view.facelets.TagAttribute;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;

/**
 * 
 * 
 * @author Jacob Hookom
 * @version $Id$
 */
public final class TagValueExpression extends ValueExpression implements
        Externalizable {

    private static final long serialVersionUID = 1L;

    private ValueExpression orig;

    private String attr;

    public TagValueExpression() {
        super();
    }

    public TagValueExpression(TagAttribute attr, ValueExpression orig) {
        this.attr = attr.toString();
        this.orig = orig;
    }

    public Class getExpectedType() {
        return this.orig.getExpectedType();
    }

    public Class getType(ELContext context) {
        try {
            return this.orig.getType(context);
        } catch (PropertyNotFoundException pnfe) {
            throw new PropertyNotFoundException(this.attr + ": "
                    + pnfe.getMessage(), pnfe);
        } catch (ELException e) {
            throw new ELException(this.attr + ": " + e.getMessage(), e);
        }
    }

    public Object getValue(ELContext context) {
        try {
            return this.orig.getValue(context);
        } catch (PropertyNotFoundException pnfe) {
            throw new PropertyNotFoundException(this.attr + ": "
                    + pnfe.getMessage(), pnfe);
        } catch (ELException e) {
            throw new ELException(this.attr + ": " + e.getMessage(), e);
        }
    }

    public boolean isReadOnly(ELContext context) {
        try {
            return this.orig.isReadOnly(context);
        } catch (PropertyNotFoundException pnfe) {
            throw new PropertyNotFoundException(this.attr + ": "
                    + pnfe.getMessage(), pnfe);
        } catch (ELException e) {
            throw new ELException(this.attr + ": " + e.getMessage(), e);
        }
    }

    public void setValue(ELContext context, Object value) {
        try {
            this.orig.setValue(context, value);
        } catch (PropertyNotFoundException pnfe) {
            throw new PropertyNotFoundException(this.attr + ": "
                    + pnfe.getMessage(), pnfe);
        } catch (PropertyNotWritableException pnwe) {
            throw new PropertyNotWritableException(this.attr + ": "
                    + pnwe.getMessage(), pnwe);
        } catch (ELException e) {
            throw new ELException(this.attr + ": " + e.getMessage(), e);
        }
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        TagValueExpression that = (TagValueExpression) o;

        if (attr != null ? !attr.equals(that.attr) : that.attr != null) {
            return false;
        }
        if (orig != null ? !orig.equals(that.orig) : that.orig != null) {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode() {
        int result = orig != null ? orig.hashCode() : 0;
        result = 31 * result + (attr != null ? attr.hashCode() : 0);
        return result;
    }

    public String getExpressionString() {
        return this.orig.getExpressionString();
    }

    public boolean isLiteralText() {
        return this.orig.isLiteralText();
    }

    public void readExternal(ObjectInput in) throws IOException,
            ClassNotFoundException {
        this.orig = (ValueExpression) in.readObject();
        this.attr = in.readUTF();
    }

    public void writeExternal(ObjectOutput out) throws IOException {
        out.writeObject(this.orig);
        out.writeUTF(this.attr);
    }

    public ValueExpression getWrapped() {
        return orig;
    }

    public String toString() {
        return this.attr;
    }
}